LSB Industries Reports on Unplanned Maintenance at Its Pryor Facility

LSB Industries, Inc. LXU today announced that its Pryor, OK Facility was shut down on May 30, 2011 for unplanned maintenance. A 6,500 HP compressor motor in the anhydrous ammonia plant at the Pryor Facility was removed, repaired and returned to service and ammonia production resumed on June 12, 2011. Maintenance was also required to correct issues with the nitric acid plant, which is scheduled to return to service on or about June 21, 2011, at which time, the production of urea ammonium nitrate will resume. The Company plans to announce when UAN production has returned to service.